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Discussion Starter #1
A friend of mine just bought a 94 Supra TT auto.When driving the car it hits 5K RPMs and the boost drops to zero.You can brake boost the car and get the boost up to 18psi but as soon as it hits 5K RPMS its shuts off.Any ideas will be appreciated.
 

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Discussion Starter #3
Sorry yes the car has a BCC along with intake,Greddy profec B boost controller,full Greddy exhaust and Greddy 3 row intercooler.The car sometimes drops boost a little lower like around 4200rpms but usually does it around 5K.It is almost like flipping a light switch,the boost just drops to zero.
 
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